In order to reduce the harm of Hyphantria cunea to Robinia pseudoacacia in Longkou area of Shandong province,the con-trol effects of crystal trichlorphon(90%),difenuron(20%),phoxius emulsifying oil(50%)and matrine aqueous agent(0.3%)after different treatment times were investigated,in order to provide reference experience for the control of Robinia pseudoacacia Hyphan-tria cunea in other areas.
Robinia pseudoacaciapests and diseasesdifferent medicamentHyphantria cunea control